> Russell McMahon wrote: > > > ...you need ~100 F which is probably still OK. > Any pointers/URL to those caps ?? > I'd like to see one... Ummm - the p seems to have vanished :-) That was, of course, 100 pF. I do have some 10F caps but that's not quite what I had in mind. However - 2700F !!! http://www.eetimes.com/news/98/991news/ultra.html 100F www-nrd.nhtsa.dot.gov/edr-site/uploads/PowerCache-PC100_capacitor.pdf 100F 300J at 2.5V, 10 x power density of typical batteries (they claim) http://www.maxwell.com/ultracapacitors/news/press_releases/2000/pc100.html Google has 60+ hits for "100 farad"! :-) RM -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body